L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Information Security Job Code: 40753 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off. Job Description: Information Systems Security Engineer (ISSE) is part of a team which establishes, supports, and coordinates tasks related to Cybersecurity and Assessment & Authorization (A&A) to obtain and maintain Authorizations to Operate (ATOs) for delivered systems via the NIST 800 Series Risk Management Framework (RMF). This position is part of a larger customer Information Assurance team, coordinating L3Harris efforts supporting the Information Owner, and assisting the ISSM, to implement actions needed to document current/future baselines and new capabilities in the NIST/RMF-approved process. Essential Functions: Participate in risk and vulnerability assessments (as required) of information systems to identify vulnerabilities, risks, and protection needs, coordinate L3H efforts to develop Security Impact Assessments (SIAs) of proposed system modifications for submittal to the ISSM. This position combines an understanding of both software engineering and hardware engineering. Prepare and present technical results for internal and external program meetings. Develop, track and present technical metrics. Understanding of hardware level interdependencies for Infrastructure, Network, & Mission Processor requirements between multiple devices as well as understanding how software works in conjunction with hardware interdependencies. Manage requirements in either DOORS or JIRA through all phases of the project. Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts. Track all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/reaccreditation actions. Responsible for improving upon existing processes or establishing new processes and systems. Work cross-functionally to ensure security requirements are addressed throughout the mission system development lifecycle. Perform security compliance scans, vulnerability analysis, and drive identified issues resolution. Performs periodic vulnerability scans of networks to identify security vulnerabilities and provides remediation alternatives and conducts security risk assessments to ensure compliance with corporate security policies and adherence to best practices. Develop and maintain ATO Body of Evidence artifacts. Work is 100% on-site and CANNOT be accomplished remotely. Active DoD Secret Clearance with ability to obtain Top-Secret Clearance. Qualifications: Bachelor's degree in engineering (Cybersecurity, Computer Science, Electrical, Mechanical, Systems, Software, Physics, etc.) and minimum 6 years of prior related experience. Graduate Degree and a minimum of 4 years of prior relevant experience. In lieu of a degree, a minimum of 10 years of prior related experience. Experience in design, development, and fielding of Systems Security Engineering (SSE) systems. Experience translating NIST 800-53 security controls into functional requirements that product teams can implement. Experience in drafting Systems Security Engineering Requirements and effectively communicating these requirements with other groups. Experience with the Risk Management Framework (RMF) process to include NIST and DoD standards. Experience with drafting security documents for various security certifications. Preferred Additional Skills: Proposal Development. Demonstrated understanding of networking. Experience or proficiency with Linux administration, Bash scripting, Python, Windows PowerShell, Windows administration, Nessus, Wireshark, Nmap, Elastic Stack (Elasticsearch, Logstash and Kibana (ELK . Demonstrated understanding of Linux audit and logging system architecture. Demonstrated understanding of directory services - Active Directory and LDAP. Demonstrated understanding computer networking and familiarity with NIST publications. Experience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings. Top Secret/SCI clearance or DOD Top Secret with current SSBI within the last 5 years. Experience with eMass and/or Xacta. Knowledge of deployment logistics for DoD systems, including transport, setup, and integration in austere or contested environments. Familiarity with DoD acquisition processes and exercise planning frameworks. Experience with network configuration, data links (e.g., Link 16), or edge computing in operational settings. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Information Security Job Code: 40753 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off. Job Description: Information Systems Security Engineer (ISSE) is part of a team which establishes, supports, and coordinates tasks related to Cybersecurity and Assessment & Authorization (A&A) to obtain and maintain Authorizations to Operate (ATOs) for delivered systems via the NIST 800 Series Risk Management Framework (RMF). This position is part of a larger customer Information Assurance team, coordinating L3Harris efforts supporting the Information Owner, and assisting the ISSM, to implement actions needed to document current/future baselines and new capabilities in the NIST/RMF-approved process. Essential Functions: Participate in risk and vulnerability assessments (as required) of information systems to identify vulnerabilities, risks, and protection needs, coordinate L3H efforts to develop Security Impact Assessments (SIAs) of proposed system modifications for submittal to the ISSM. This position combines an understanding of both software engineering and hardware engineering. Prepare and present technical results for internal and external program meetings. Develop, track and present technical metrics. Understanding of hardware level interdependencies for Infrastructure, Network, & Mission Processor requirements between multiple devices as well as understanding how software works in conjunction with hardware interdependencies. Manage requirements in either DOORS or JIRA through all phases of the project. Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts. Track all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/reaccreditation actions. Responsible for improving upon existing processes or establishing new processes and systems. Work cross-functionally to ensure security requirements are addressed throughout the mission system development lifecycle. Perform security compliance scans, vulnerability analysis, and drive identified issues resolution. Performs periodic vulnerability scans of networks to identify security vulnerabilities and provides remediation alternatives and conducts security risk assessments to ensure compliance with corporate security policies and adherence to best practices. Develop and maintain ATO Body of Evidence artifacts. Work is 100% on-site and CANNOT be accomplished remotely. Active DoD Secret Clearance with ability to obtain Top-Secret Clearance. Qualifications: Bachelor's degree in engineering (Cybersecurity, Computer Science, Electrical, Mechanical, Systems, Software, Physics, etc.) and minimum 6 years of prior related experience. Graduate Degree and a minimum of 4 years of prior relevant experience. In lieu of a degree, a minimum of 10 years of prior related experience. Experience in design, development, and fielding of Systems Security Engineering (SSE) systems. Experience translating NIST 800-53 security controls into functional requirements that product teams can implement. Experience in drafting Systems Security Engineering Requirements and effectively communicating these requirements with other groups. Experience with the Risk Management Framework (RMF) process to include NIST and DoD standards. Experience with drafting security documents for various security certifications. Preferred Additional Skills: Proposal Development. Demonstrated understanding of networking. Experience or proficiency with Linux administration, Bash scripting, Python, Windows PowerShell, Windows administration, Nessus, Wireshark, Nmap, Elastic Stack (Elasticsearch, Logstash and Kibana (ELK . Demonstrated understanding of Linux audit and logging system architecture. Demonstrated understanding of directory services - Active Directory and LDAP. Demonstrated understanding computer networking and familiarity with NIST publications. Experience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings. Top Secret/SCI clearance or DOD Top Secret with current SSBI within the last 5 years. Experience with eMass and/or Xacta. Knowledge of deployment logistics for DoD systems, including transport, setup, and integration in austere or contested environments. Familiarity with DoD acquisition processes and exercise planning frameworks. Experience with network configuration, data links (e.g., Link 16), or edge computing in operational settings. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 40955 Job Location: Palm Bay, FL Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: We are seeking a Software Engineer in Palm Bay, Florida to design, develop, integrate, and sustain mission-focused software solutions. In this role, you'll work across a diverse technical landscape from embedded software and backend services to web applications, containerized environments, and DevOps workflows. The ideal candidate thrives in varied technical environments and brings experience with technologies including C++, Python, JavaScript, React, and Docker-based development. You'll play a key role in supporting secure, mission-critical programs that make a real impact. Essential Functions: Contribute to the design, development, integration, test, and sustainment of software solutions across embedded systems, backend services, and web-based applications. Develop and maintain software using technologies such as C++, Python, JavaScript, and React in support of mission and program requirements. Support containerized development and deployment workflows using Docker and established DevOps practices to improve delivery efficiency, consistency, and reliability. Collaborate with systems engineering, software engineering, integration, and program teams to implement technical solutions aligned with operational and customer needs. Participate in software troubleshooting, defect resolution, performance improvement, and technical problem solving across the development lifecycle. Create and maintain technical documentation, code artifacts, and engineering products that support integration, testing, deployment, and long-term sustainment. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active TS/SCI is required. Preferred Additional Skills: Active TS/SCI w CI Polygraph. Experience contributing across both embedded and web application environments. Experience with React and modern JavaScript development for user-facing applications. Experience with DevOps practices, CI/CD workflows, and containerized software delivery. Experience developing or integrating software in Linux-based environments. Experience in software engineering for one or more of the following areas: embedded software, backend services, full stack applications, or web application development. Hands-on development experience with one or more relevant programming languages such as C++, Python, or JavaScript. Experience working with modern software development practices, including version control, code reviews, debugging, and automated build or test workflows. Familiarity with Docker-based development environments, containerized applications, or DevOps-oriented software delivery practices. Ability to contribute effectively as an individual contributor on a technical team supporting secure, mission-focused software programs. S1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 40955 Job Location: Palm Bay, FL Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: We are seeking a Software Engineer in Palm Bay, Florida to design, develop, integrate, and sustain mission-focused software solutions. In this role, you'll work across a diverse technical landscape from embedded software and backend services to web applications, containerized environments, and DevOps workflows. The ideal candidate thrives in varied technical environments and brings experience with technologies including C++, Python, JavaScript, React, and Docker-based development. You'll play a key role in supporting secure, mission-critical programs that make a real impact. Essential Functions: Contribute to the design, development, integration, test, and sustainment of software solutions across embedded systems, backend services, and web-based applications. Develop and maintain software using technologies such as C++, Python, JavaScript, and React in support of mission and program requirements. Support containerized development and deployment workflows using Docker and established DevOps practices to improve delivery efficiency, consistency, and reliability. Collaborate with systems engineering, software engineering, integration, and program teams to implement technical solutions aligned with operational and customer needs. Participate in software troubleshooting, defect resolution, performance improvement, and technical problem solving across the development lifecycle. Create and maintain technical documentation, code artifacts, and engineering products that support integration, testing, deployment, and long-term sustainment. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active TS/SCI is required. Preferred Additional Skills: Active TS/SCI w CI Polygraph. Experience contributing across both embedded and web application environments. Experience with React and modern JavaScript development for user-facing applications. Experience with DevOps practices, CI/CD workflows, and containerized software delivery. Experience developing or integrating software in Linux-based environments. Experience in software engineering for one or more of the following areas: embedded software, backend services, full stack applications, or web application development. Hands-on development experience with one or more relevant programming languages such as C++, Python, or JavaScript. Experience working with modern software development practices, including version control, code reviews, debugging, and automated build or test workflows. Familiarity with Docker-based development environments, containerized applications, or DevOps-oriented software delivery practices. Ability to contribute effectively as an individual contributor on a technical team supporting secure, mission-focused software programs. S1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Full Stack Engineer Job Code: 40003 Job Location: Washington DC Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research. We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines. We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilizing technical prowess, innovation and our commitment to a noble mission. The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces. Essential Functions Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation. Collaborate with globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders. Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack. Ensure all code is well-tested using unit, integration, and system-level testing methodologies. Stay current with the latest software development trends, industry's best practices, and cybersecurity protocols. Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions. Document technical solutions and prepare end user manuals as required. Ability and eligibility to obtain and maintain a National Security clearance. Technical Responsibilities Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular. Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features. Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security. Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration. Engage in self-directed research to innovate and implement new product features aligned with industry standards. Participate in technical design discussions, code reviews, and continuous integration/delivery processes. Qualifications Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Preferred Additional Skills Background or strong understanding in UI/UX design and principles. Exposure to or hands-on experience with DevOps practices and toolchains. Familiarity with cybersecurity principles and secure coding best practices. Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). Knowledge of mobile application development for Android/iOS. Ability to read, interoperate, and understand lower-level code in C or C++. Experience working in distributed, secure, or high-availability system environments. Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. Comfortable with Source Control and CI/CD systems. Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $111,500 - $207,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Full Stack Engineer Job Code: 40003 Job Location: Washington DC Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research. We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines. We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilizing technical prowess, innovation and our commitment to a noble mission. The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces. Essential Functions Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation. Collaborate with globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders. Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack. Ensure all code is well-tested using unit, integration, and system-level testing methodologies. Stay current with the latest software development trends, industry's best practices, and cybersecurity protocols. Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions. Document technical solutions and prepare end user manuals as required. Ability and eligibility to obtain and maintain a National Security clearance. Technical Responsibilities Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular. Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features. Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security. Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration. Engage in self-directed research to innovate and implement new product features aligned with industry standards. Participate in technical design discussions, code reviews, and continuous integration/delivery processes. Qualifications Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Preferred Additional Skills Background or strong understanding in UI/UX design and principles. Exposure to or hands-on experience with DevOps practices and toolchains. Familiarity with cybersecurity principles and secure coding best practices. Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). Knowledge of mobile application development for Android/iOS. Ability to read, interoperate, and understand lower-level code in C or C++. Experience working in distributed, secure, or high-availability system environments. Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. Comfortable with Source Control and CI/CD systems. Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $111,500 - $207,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 40955 Job Location: Palm Bay, FL Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: We are seeking a Software Engineer in Palm Bay, Florida to design, develop, integrate, and sustain mission-focused software solutions. In this role, you'll work across a diverse technical landscape from embedded software and backend services to web applications, containerized environments, and DevOps workflows. The ideal candidate thrives in varied technical environments and brings experience with technologies including C++, Python, JavaScript, React, and Docker-based development. You'll play a key role in supporting secure, mission-critical programs that make a real impact. Essential Functions: Contribute to the design, development, integration, test, and sustainment of software solutions across embedded systems, backend services, and web-based applications. Develop and maintain software using technologies such as C++, Python, JavaScript, and React in support of mission and program requirements. Support containerized development and deployment workflows using Docker and established DevOps practices to improve delivery efficiency, consistency, and reliability. Collaborate with systems engineering, software engineering, integration, and program teams to implement technical solutions aligned with operational and customer needs. Participate in software troubleshooting, defect resolution, performance improvement, and technical problem solving across the development lifecycle. Create and maintain technical documentation, code artifacts, and engineering products that support integration, testing, deployment, and long-term sustainment. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active TS/SCI is required. Preferred Additional Skills: Active TS/SCI w CI Polygraph. Experience contributing across both embedded and web application environments. Experience with React and modern JavaScript development for user-facing applications. Experience with DevOps practices, CI/CD workflows, and containerized software delivery. Experience developing or integrating software in Linux-based environments. Experience in software engineering for one or more of the following areas: embedded software, backend services, full stack applications, or web application development. Hands-on development experience with one or more relevant programming languages such as C++, Python, or JavaScript. Experience working with modern software development practices, including version control, code reviews, debugging, and automated build or test workflows. Familiarity with Docker-based development environments, containerized applications, or DevOps-oriented software delivery practices. Ability to contribute effectively as an individual contributor on a technical team supporting secure, mission-focused software programs. S1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 40955 Job Location: Palm Bay, FL Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: We are seeking a Software Engineer in Palm Bay, Florida to design, develop, integrate, and sustain mission-focused software solutions. In this role, you'll work across a diverse technical landscape from embedded software and backend services to web applications, containerized environments, and DevOps workflows. The ideal candidate thrives in varied technical environments and brings experience with technologies including C++, Python, JavaScript, React, and Docker-based development. You'll play a key role in supporting secure, mission-critical programs that make a real impact. Essential Functions: Contribute to the design, development, integration, test, and sustainment of software solutions across embedded systems, backend services, and web-based applications. Develop and maintain software using technologies such as C++, Python, JavaScript, and React in support of mission and program requirements. Support containerized development and deployment workflows using Docker and established DevOps practices to improve delivery efficiency, consistency, and reliability. Collaborate with systems engineering, software engineering, integration, and program teams to implement technical solutions aligned with operational and customer needs. Participate in software troubleshooting, defect resolution, performance improvement, and technical problem solving across the development lifecycle. Create and maintain technical documentation, code artifacts, and engineering products that support integration, testing, deployment, and long-term sustainment. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active TS/SCI is required. Preferred Additional Skills: Active TS/SCI w CI Polygraph. Experience contributing across both embedded and web application environments. Experience with React and modern JavaScript development for user-facing applications. Experience with DevOps practices, CI/CD workflows, and containerized software delivery. Experience developing or integrating software in Linux-based environments. Experience in software engineering for one or more of the following areas: embedded software, backend services, full stack applications, or web application development. Hands-on development experience with one or more relevant programming languages such as C++, Python, or JavaScript. Experience working with modern software development practices, including version control, code reviews, debugging, and automated build or test workflows. Familiarity with Docker-based development environments, containerized applications, or DevOps-oriented software delivery practices. Ability to contribute effectively as an individual contributor on a technical team supporting secure, mission-focused software programs. S1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Information Security Job Code: 40753 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off. Job Description: Information Systems Security Engineer (ISSE) is part of a team which establishes, supports, and coordinates tasks related to Cybersecurity and Assessment & Authorization (A&A) to obtain and maintain Authorizations to Operate (ATOs) for delivered systems via the NIST 800 Series Risk Management Framework (RMF). This position is part of a larger customer Information Assurance team, coordinating L3Harris efforts supporting the Information Owner, and assisting the ISSM, to implement actions needed to document current/future baselines and new capabilities in the NIST/RMF-approved process. Essential Functions: Participate in risk and vulnerability assessments (as required) of information systems to identify vulnerabilities, risks, and protection needs, coordinate L3H efforts to develop Security Impact Assessments (SIAs) of proposed system modifications for submittal to the ISSM. This position combines an understanding of both software engineering and hardware engineering. Prepare and present technical results for internal and external program meetings. Develop, track and present technical metrics. Understanding of hardware level interdependencies for Infrastructure, Network, & Mission Processor requirements between multiple devices as well as understanding how software works in conjunction with hardware interdependencies. Manage requirements in either DOORS or JIRA through all phases of the project. Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts. Track all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/reaccreditation actions. Responsible for improving upon existing processes or establishing new processes and systems. Work cross-functionally to ensure security requirements are addressed throughout the mission system development lifecycle. Perform security compliance scans, vulnerability analysis, and drive identified issues resolution. Performs periodic vulnerability scans of networks to identify security vulnerabilities and provides remediation alternatives and conducts security risk assessments to ensure compliance with corporate security policies and adherence to best practices. Develop and maintain ATO Body of Evidence artifacts. Work is 100% on-site and CANNOT be accomplished remotely. Active DoD Secret Clearance with ability to obtain Top-Secret Clearance. Qualifications: Bachelor's degree in engineering (Cybersecurity, Computer Science, Electrical, Mechanical, Systems, Software, Physics, etc.) and minimum 6 years of prior related experience. Graduate Degree and a minimum of 4 years of prior relevant experience. In lieu of a degree, a minimum of 10 years of prior related experience. Experience in design, development, and fielding of Systems Security Engineering (SSE) systems. Experience translating NIST 800-53 security controls into functional requirements that product teams can implement. Experience in drafting Systems Security Engineering Requirements and effectively communicating these requirements with other groups. Experience with the Risk Management Framework (RMF) process to include NIST and DoD standards. Experience with drafting security documents for various security certifications. Preferred Additional Skills: Proposal Development. Demonstrated understanding of networking. Experience or proficiency with Linux administration, Bash scripting, Python, Windows PowerShell, Windows administration, Nessus, Wireshark, Nmap, Elastic Stack (Elasticsearch, Logstash and Kibana (ELK . Demonstrated understanding of Linux audit and logging system architecture. Demonstrated understanding of directory services - Active Directory and LDAP. Demonstrated understanding computer networking and familiarity with NIST publications. Experience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings. Top Secret/SCI clearance or DOD Top Secret with current SSBI within the last 5 years. Experience with eMass and/or Xacta. Knowledge of deployment logistics for DoD systems, including transport, setup, and integration in austere or contested environments. Familiarity with DoD acquisition processes and exercise planning frameworks. Experience with network configuration, data links (e.g., Link 16), or edge computing in operational settings. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Information Security Job Code: 40753 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off. Job Description: Information Systems Security Engineer (ISSE) is part of a team which establishes, supports, and coordinates tasks related to Cybersecurity and Assessment & Authorization (A&A) to obtain and maintain Authorizations to Operate (ATOs) for delivered systems via the NIST 800 Series Risk Management Framework (RMF). This position is part of a larger customer Information Assurance team, coordinating L3Harris efforts supporting the Information Owner, and assisting the ISSM, to implement actions needed to document current/future baselines and new capabilities in the NIST/RMF-approved process. Essential Functions: Participate in risk and vulnerability assessments (as required) of information systems to identify vulnerabilities, risks, and protection needs, coordinate L3H efforts to develop Security Impact Assessments (SIAs) of proposed system modifications for submittal to the ISSM. This position combines an understanding of both software engineering and hardware engineering. Prepare and present technical results for internal and external program meetings. Develop, track and present technical metrics. Understanding of hardware level interdependencies for Infrastructure, Network, & Mission Processor requirements between multiple devices as well as understanding how software works in conjunction with hardware interdependencies. Manage requirements in either DOORS or JIRA through all phases of the project. Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts. Track all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/reaccreditation actions. Responsible for improving upon existing processes or establishing new processes and systems. Work cross-functionally to ensure security requirements are addressed throughout the mission system development lifecycle. Perform security compliance scans, vulnerability analysis, and drive identified issues resolution. Performs periodic vulnerability scans of networks to identify security vulnerabilities and provides remediation alternatives and conducts security risk assessments to ensure compliance with corporate security policies and adherence to best practices. Develop and maintain ATO Body of Evidence artifacts. Work is 100% on-site and CANNOT be accomplished remotely. Active DoD Secret Clearance with ability to obtain Top-Secret Clearance. Qualifications: Bachelor's degree in engineering (Cybersecurity, Computer Science, Electrical, Mechanical, Systems, Software, Physics, etc.) and minimum 6 years of prior related experience. Graduate Degree and a minimum of 4 years of prior relevant experience. In lieu of a degree, a minimum of 10 years of prior related experience. Experience in design, development, and fielding of Systems Security Engineering (SSE) systems. Experience translating NIST 800-53 security controls into functional requirements that product teams can implement. Experience in drafting Systems Security Engineering Requirements and effectively communicating these requirements with other groups. Experience with the Risk Management Framework (RMF) process to include NIST and DoD standards. Experience with drafting security documents for various security certifications. Preferred Additional Skills: Proposal Development. Demonstrated understanding of networking. Experience or proficiency with Linux administration, Bash scripting, Python, Windows PowerShell, Windows administration, Nessus, Wireshark, Nmap, Elastic Stack (Elasticsearch, Logstash and Kibana (ELK . Demonstrated understanding of Linux audit and logging system architecture. Demonstrated understanding of directory services - Active Directory and LDAP. Demonstrated understanding computer networking and familiarity with NIST publications. Experience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings. Top Secret/SCI clearance or DOD Top Secret with current SSBI within the last 5 years. Experience with eMass and/or Xacta. Knowledge of deployment logistics for DoD systems, including transport, setup, and integration in austere or contested environments. Familiarity with DoD acquisition processes and exercise planning frameworks. Experience with network configuration, data links (e.g., Link 16), or edge computing in operational settings. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Full Stack Engineer Job Code: 40003 Job Location: Washington DC Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research. We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines. We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilizing technical prowess, innovation and our commitment to a noble mission. The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces. Essential Functions Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation. Collaborate with globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders. Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack. Ensure all code is well-tested using unit, integration, and system-level testing methodologies. Stay current with the latest software development trends, industry's best practices, and cybersecurity protocols. Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions. Document technical solutions and prepare end user manuals as required. Ability and eligibility to obtain and maintain a National Security clearance. Technical Responsibilities Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular. Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features. Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security. Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration. Engage in self-directed research to innovate and implement new product features aligned with industry standards. Participate in technical design discussions, code reviews, and continuous integration/delivery processes. Qualifications Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Preferred Additional Skills Background or strong understanding in UI/UX design and principles. Exposure to or hands-on experience with DevOps practices and toolchains. Familiarity with cybersecurity principles and secure coding best practices. Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). Knowledge of mobile application development for Android/iOS. Ability to read, interoperate, and understand lower-level code in C or C++. Experience working in distributed, secure, or high-availability system environments. Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. Comfortable with Source Control and CI/CD systems. Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $111,500 - $207,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Full Stack Engineer Job Code: 40003 Job Location: Washington DC Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research. We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines. We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilizing technical prowess, innovation and our commitment to a noble mission. The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces. Essential Functions Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation. Collaborate with globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders. Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack. Ensure all code is well-tested using unit, integration, and system-level testing methodologies. Stay current with the latest software development trends, industry's best practices, and cybersecurity protocols. Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions. Document technical solutions and prepare end user manuals as required. Ability and eligibility to obtain and maintain a National Security clearance. Technical Responsibilities Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular. Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features. Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security. Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration. Engage in self-directed research to innovate and implement new product features aligned with industry standards. Participate in technical design discussions, code reviews, and continuous integration/delivery processes. Qualifications Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Preferred Additional Skills Background or strong understanding in UI/UX design and principles. Exposure to or hands-on experience with DevOps practices and toolchains. Familiarity with cybersecurity principles and secure coding best practices. Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). Knowledge of mobile application development for Android/iOS. Ability to read, interoperate, and understand lower-level code in C or C++. Experience working in distributed, secure, or high-availability system environments. Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. Comfortable with Source Control and CI/CD systems. Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $111,500 - $207,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
The KPMG Advisory practice is at the forefront of transformation, offering excellent opportunities for individuals to advance their careers and expertise with KPMG. Looking ahead, we anticipate continued evolution and success within the practice, fostering both personal and professional development, thereby creating new pathways for growth. In this ever-changing market environment, our professionals must be adaptable and thrive in a collaborative, team-driven culture. At KPMG, our people are our number one priority. With a wealth of learning and career development opportunities, a world-class training facility, and leading market tools, we help our people continue to grow both professionally and personally. If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. KPMG is currently seeking a Senior Specialist to join our Federal Advisory practice. Responsibilities: Ensure successful technology development utilizing Agile / DevOps methodologies of complex systems and solutions Lead entire development life cycles with software engineering best practices, including setting coding standards, performing code reviews, running SCRUMs with JIRA expertise, source control management (Git, Sourcetree, etc.), configuring continuous integration, and continuous delivery systems (Jenkins, Nexus, Docker, etc.) Learn / analyze existing codebases / systems for the full stack and develop code as needed to support products and solutions (Technologies include: Cloud native IaaS / PaaS (Azure, AWS), Web UI frameworks (Angular, React, etc.), API definition (RAML, Swagger, JSON), Backend (Java, Databases, etc.), Integrations (ESB, legacy system integration, etc.) Help architect new applications by evaluating technologies working with solution architects and product managers Oversight of all documentation to ensure the development team are efficient / effective (technical details, setup information, standards, environments, etc.) Qualifications: A minimum of three years of technical full-stack development experience; U.S. Federal government consulting experience preferred Bachelor's degree from an accredited college/university Deep understanding of Full-Stack development, including modern UI and backend coding fundamentals (JavaScript core best practices, object-oriented design, data structures, API design, complex problem solving, etc.) Proficiency with at least one modern JavaScript framework (Angular2/4, ReactJs, etc.), backend / AP RESTful service (Java with SpringMVC, etc.), cloud native solutions utilizing Azure / AWS, and DevOps tooling platforms (Jenkins, Ansible, Chef, or similar) Experience working with relational and non-relational databases (SQL Server, cosmos database, etc.) Ability to travel as required to support firm engagements Applicant must possess or be eligible for a U.S. Government clearance KPMG LLP and its affiliates and subsidiaries ("KPMG") complies with all local/state regulations regarding displaying salary ranges. If required, the ranges displayed below or via the URL below are specifically for those potential hires who will work in the location(s) listed. Any offered salary is determined based on relevant factors such as applicant's skills, job responsibilities, prior relevant experience, certain degrees and certifications and market considerations. In addition, KPMG is proud to offer a comprehensive, competitive benefits package, with options designed to help you make the best decisions for yourself, your family, and your lifestyle. Available benefits are based on eligibility. Our Total Rewards package includes a variety of medical and dental plans, vision coverage, disability and life insurance, 401(k) plans, and a robust suite of personal well-being benefits to support your mental health. Depending on job classification, standard work hours, and years of service, KPMG provides Personal Time Off per fiscal year. Additionally, each year KPMG publishes a calendar of holidays to be observed during the year and provides eligible employees two breaks each year where employees will not be required to use Personal Time Off; one is at year end and the other is around the July 4th holiday. Additional details about our benefits can be found towards the bottom of our KPMG US Careers site at Benefits & How We Work . Follow this link to obtain salary ranges by city outside of CA: KPMG offers a comprehensive compensation and benefits package. KPMG is an equal opportunity employer. KPMG complies with all applicable federal, state and local laws regarding recruitment and hiring. All qualified applicants are considered for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, citizenship status, disability, protected veteran status, or any other category protected by applicable federal, state, or local laws. The attached link contains further information regarding KPMG's compliance with federal, state and local recruitment and hiring laws. No phone calls or agencies please. KPMG recruits on a rolling basis. Candidates are considered as they apply, until the opportunity is filled. Candidates are encouraged to apply expeditiously to any role(s) for which they are qualified that is also of interest to them. Los Angeles County applicants: Material job duties for this position are listed above. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation. Pursuant to the California Fair Chance Act, Los Angeles County Fair Chance Ordinance for Employers, Fair Chance Initiative for Hiring Ordinance, and San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
07/14/2026
Full time
The KPMG Advisory practice is at the forefront of transformation, offering excellent opportunities for individuals to advance their careers and expertise with KPMG. Looking ahead, we anticipate continued evolution and success within the practice, fostering both personal and professional development, thereby creating new pathways for growth. In this ever-changing market environment, our professionals must be adaptable and thrive in a collaborative, team-driven culture. At KPMG, our people are our number one priority. With a wealth of learning and career development opportunities, a world-class training facility, and leading market tools, we help our people continue to grow both professionally and personally. If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. KPMG is currently seeking a Senior Specialist to join our Federal Advisory practice. Responsibilities: Ensure successful technology development utilizing Agile / DevOps methodologies of complex systems and solutions Lead entire development life cycles with software engineering best practices, including setting coding standards, performing code reviews, running SCRUMs with JIRA expertise, source control management (Git, Sourcetree, etc.), configuring continuous integration, and continuous delivery systems (Jenkins, Nexus, Docker, etc.) Learn / analyze existing codebases / systems for the full stack and develop code as needed to support products and solutions (Technologies include: Cloud native IaaS / PaaS (Azure, AWS), Web UI frameworks (Angular, React, etc.), API definition (RAML, Swagger, JSON), Backend (Java, Databases, etc.), Integrations (ESB, legacy system integration, etc.) Help architect new applications by evaluating technologies working with solution architects and product managers Oversight of all documentation to ensure the development team are efficient / effective (technical details, setup information, standards, environments, etc.) Qualifications: A minimum of three years of technical full-stack development experience; U.S. Federal government consulting experience preferred Bachelor's degree from an accredited college/university Deep understanding of Full-Stack development, including modern UI and backend coding fundamentals (JavaScript core best practices, object-oriented design, data structures, API design, complex problem solving, etc.) Proficiency with at least one modern JavaScript framework (Angular2/4, ReactJs, etc.), backend / AP RESTful service (Java with SpringMVC, etc.), cloud native solutions utilizing Azure / AWS, and DevOps tooling platforms (Jenkins, Ansible, Chef, or similar) Experience working with relational and non-relational databases (SQL Server, cosmos database, etc.) Ability to travel as required to support firm engagements Applicant must possess or be eligible for a U.S. Government clearance KPMG LLP and its affiliates and subsidiaries ("KPMG") complies with all local/state regulations regarding displaying salary ranges. If required, the ranges displayed below or via the URL below are specifically for those potential hires who will work in the location(s) listed. Any offered salary is determined based on relevant factors such as applicant's skills, job responsibilities, prior relevant experience, certain degrees and certifications and market considerations. In addition, KPMG is proud to offer a comprehensive, competitive benefits package, with options designed to help you make the best decisions for yourself, your family, and your lifestyle. Available benefits are based on eligibility. Our Total Rewards package includes a variety of medical and dental plans, vision coverage, disability and life insurance, 401(k) plans, and a robust suite of personal well-being benefits to support your mental health. Depending on job classification, standard work hours, and years of service, KPMG provides Personal Time Off per fiscal year. Additionally, each year KPMG publishes a calendar of holidays to be observed during the year and provides eligible employees two breaks each year where employees will not be required to use Personal Time Off; one is at year end and the other is around the July 4th holiday. Additional details about our benefits can be found towards the bottom of our KPMG US Careers site at Benefits & How We Work . Follow this link to obtain salary ranges by city outside of CA: KPMG offers a comprehensive compensation and benefits package. KPMG is an equal opportunity employer. KPMG complies with all applicable federal, state and local laws regarding recruitment and hiring. All qualified applicants are considered for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, citizenship status, disability, protected veteran status, or any other category protected by applicable federal, state, or local laws. The attached link contains further information regarding KPMG's compliance with federal, state and local recruitment and hiring laws. No phone calls or agencies please. KPMG recruits on a rolling basis. Candidates are considered as they apply, until the opportunity is filled. Candidates are encouraged to apply expeditiously to any role(s) for which they are qualified that is also of interest to them. Los Angeles County applicants: Material job duties for this position are listed above. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation. Pursuant to the California Fair Chance Act, Los Angeles County Fair Chance Ordinance for Employers, Fair Chance Initiative for Hiring Ordinance, and San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
